CN102778710A - 光扩散部件及其制造方法、显示装置 - Google Patents

光扩散部件及其制造方法、显示装置 Download PDF

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Publication number
CN102778710A
CN102778710A CN2012101441996A CN201210144199A CN102778710A CN 102778710 A CN102778710 A CN 102778710A CN 2012101441996 A CN2012101441996 A CN 2012101441996A CN 201210144199 A CN201210144199 A CN 201210144199A CN 102778710 A CN102778710 A CN 102778710A
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CN
China
Prior art keywords
light
diffusion part
base material
angle
film
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2012101441996A
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English (en)
Chinese (zh)
Inventor
菅野透
前田强
山本惠美
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
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Sharp Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sharp Corp filed Critical Sharp Corp
Publication of CN102778710A publication Critical patent/CN102778710A/zh
Pending legal-status Critical Current

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/0263—Diffusing elements; Afocal elements characterised by the diffusing properties with positional variation of the diffusing properties, e.g. gradient or patterned diffuser
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00317—Production of lenses with markings or patterns
    • B29D11/00326—Production of lenses with markings or patterns having particular surface properties, e.g. a micropattern
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/0074—Production of other optical elements not provided for in B29D11/00009- B29D11/0073
    • B29D11/00798—Producing diffusers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
    • G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0268—Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3083—Birefringent or phase retarding elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0051—Diffusing sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133504—Diffusing, scattering, diffracting elements
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00663—Production of light guides
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133512—Light shielding layers, e.g. black matrix
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13356—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements
    • G02F1/133562—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements on the viewer side

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)
CN2012101441996A 2011-05-13 2012-05-10 光扩散部件及其制造方法、显示装置 Pending CN102778710A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011108708A JP2014142366A (ja) 2011-05-13 2011-05-13 光拡散部材およびその製造方法、表示装置
JP2011-108708 2011-05-13

Publications (1)

Publication Number Publication Date
CN102778710A true CN102778710A (zh) 2012-11-14

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CN2012101441996A Pending CN102778710A (zh) 2011-05-13 2012-05-10 光扩散部件及其制造方法、显示装置
CN2012202101681U Expired - Fee Related CN202661658U (zh) 2011-05-13 2012-05-10 光扩散部件和显示装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN2012202101681U Expired - Fee Related CN202661658U (zh) 2011-05-13 2012-05-10 光扩散部件和显示装置

Country Status (4)

Country Link
US (1) US20170153364A1 (ja)
JP (1) JP2014142366A (ja)
CN (2) CN102778710A (ja)
WO (1) WO2012157511A1 (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107367784A (zh) * 2016-05-12 2017-11-21 Jxtg能源株式会社 光学相位差构件及投影机
CN108169997A (zh) * 2017-12-26 2018-06-15 武汉华星光电技术有限公司 光学补偿膜、掩膜版以及曝光机
US20190227424A1 (en) * 2018-01-23 2019-07-25 Coretronic Corporation Rear projection screen
CN111161640A (zh) * 2018-11-07 2020-05-15 深圳Tcl新技术有限公司 一种组装式led显示面板
CN114341676A (zh) * 2019-09-03 2022-04-12 3M创新有限公司 光学膜和制造此类光学膜的方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014142366A (ja) * 2011-05-13 2014-08-07 Sharp Corp 光拡散部材およびその製造方法、表示装置
JP5873452B2 (ja) * 2013-02-27 2016-03-01 シャープ株式会社 光拡散部材及び表示装置
JP6103377B2 (ja) * 2013-06-19 2017-03-29 シャープ株式会社 表示装置及びその製造方法
WO2020084768A1 (ja) * 2018-10-26 2020-04-30 堺ディスプレイプロダクト株式会社 光拡散部材および液晶表示装置
CN111540270A (zh) * 2020-04-29 2020-08-14 武汉华星光电半导体显示技术有限公司 显示模组、显示装置

Citations (8)

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JP2000352608A (ja) * 1999-06-11 2000-12-19 Dainippon Printing Co Ltd 光拡散シート
CN1378660A (zh) * 1999-07-07 2002-11-06 3M创新有限公司 利用内反射的背投式屏幕及其制造
CN1483156A (zh) * 2000-12-27 2004-03-17 3M创新有限公司 微观结构的背投屏幕
JP2004361685A (ja) * 2003-06-04 2004-12-24 Ricoh Co Ltd 透過型スクリーンシート及びこれを用いた画像表示装置
CN1595284A (zh) * 2003-09-08 2005-03-16 精工爱普生株式会社 传输屏幕的屏幕件及其制造方法、传输屏幕以及后投影
CN1894625A (zh) * 2003-12-11 2007-01-10 3M创新有限公司 微结构屏幕和使用共挤出的制造方法
JP2010079292A (ja) * 2008-08-27 2010-04-08 Toppan Printing Co Ltd 光学部品の製造用金型、光学部品の製造方法、光学部品、および液晶表示ディスプレイユニット
CN202661658U (zh) * 2011-05-13 2013-01-09 夏普株式会社 光扩散部件和显示装置

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US6822792B2 (en) * 2001-05-14 2004-11-23 Dai Nippon Printing Co., Ltd. Sheet for use for projection screen, light diffusion sheet and projection screen
US6963451B2 (en) * 2001-11-22 2005-11-08 Takiron Co., Ltd. Light diffusive sheet
JP2006031045A (ja) * 2005-09-13 2006-02-02 Seiko Epson Corp 透過型スクリーン用部材の製造方法、透過型スクリーン用部材、透過型スクリーンおよびリア型プロジェクタ
KR100793964B1 (ko) * 2006-07-07 2008-01-16 삼성전자주식회사 디스플레이 패널
JP4756099B2 (ja) * 2009-03-18 2011-08-24 日東電工株式会社 光拡散素子、光拡散素子付偏光板、およびこれらを用いた液晶表示装置、ならびに光拡散素子の製造方法
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Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000352608A (ja) * 1999-06-11 2000-12-19 Dainippon Printing Co Ltd 光拡散シート
CN1378660A (zh) * 1999-07-07 2002-11-06 3M创新有限公司 利用内反射的背投式屏幕及其制造
CN1483156A (zh) * 2000-12-27 2004-03-17 3M创新有限公司 微观结构的背投屏幕
JP2004361685A (ja) * 2003-06-04 2004-12-24 Ricoh Co Ltd 透過型スクリーンシート及びこれを用いた画像表示装置
CN1595284A (zh) * 2003-09-08 2005-03-16 精工爱普生株式会社 传输屏幕的屏幕件及其制造方法、传输屏幕以及后投影
CN1894625A (zh) * 2003-12-11 2007-01-10 3M创新有限公司 微结构屏幕和使用共挤出的制造方法
JP2010079292A (ja) * 2008-08-27 2010-04-08 Toppan Printing Co Ltd 光学部品の製造用金型、光学部品の製造方法、光学部品、および液晶表示ディスプレイユニット
CN202661658U (zh) * 2011-05-13 2013-01-09 夏普株式会社 光扩散部件和显示装置

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107367784A (zh) * 2016-05-12 2017-11-21 Jxtg能源株式会社 光学相位差构件及投影机
CN107367784B (zh) * 2016-05-12 2020-11-24 Jxtg能源株式会社 光学相位差构件及投影机
CN108169997A (zh) * 2017-12-26 2018-06-15 武汉华星光电技术有限公司 光学补偿膜、掩膜版以及曝光机
WO2019129031A1 (zh) * 2017-12-26 2019-07-04 武汉华星光电技术有限公司 光学补偿膜、掩膜版以及曝光机
US10795256B2 (en) 2017-12-26 2020-10-06 Wuhan China Star Optoelectronics Technology Co., Ltd. Optical compensation film, photomask, and exposure apparatus
US20190227424A1 (en) * 2018-01-23 2019-07-25 Coretronic Corporation Rear projection screen
US10545399B2 (en) * 2018-01-23 2020-01-28 Nano Precision Taiwan Limited Rear projection screen
CN111161640A (zh) * 2018-11-07 2020-05-15 深圳Tcl新技术有限公司 一种组装式led显示面板
CN111161640B (zh) * 2018-11-07 2022-01-04 深圳Tcl新技术有限公司 一种组装式led显示面板
CN114341676A (zh) * 2019-09-03 2022-04-12 3M创新有限公司 光学膜和制造此类光学膜的方法

Also Published As

Publication number Publication date
US20170153364A1 (en) 2017-06-01
CN202661658U (zh) 2013-01-09
JP2014142366A (ja) 2014-08-07
WO2012157511A1 (ja) 2012-11-22

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Application publication date: 20121114